code: def test_no_fft_module_error(self):
      self.assertRaises(
          OptionalImportError, HilbertTransform(), torch.randn(1, 1, 10)
      )
  
file_path: MONAI/tests/test_hilbert_transform.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks.layers import HilbertTransform
  from monai.utils import OptionalImportError
  from tests.utils import SkipIfModule, SkipIfNoModule, skip_if_no_cuda
label_desc: Use image node_id 1 for calling the TestHilbertTransformNoFFTMod obj's underlying member method code with example usage: obj.test_no_fft_module_error() without return types